CVE-2020-25673Uncontrolled Resource Consumption in Kernel

Severity
5.5MEDIUMNVD
OSV7.8OSV3.5
EPSS
0.1%
top 68.49%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMay 26
Latest updateMay 24

Description

A vulnerability was found in Linux kernel where non-blocking socket in llcp_sock_connect() leads to leak and eventually hanging-up the system.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages5 packages

NVDlinux/linux_kernel< 5.3.18
Debianlinux/linux_kernel< 5.10.38-1+3
Ubuntulinux/linux_kernel< 5.4.0-74.83+1
CVEListV5linux/linux_kernelAll
debiandebian/linux< linux 5.10.38-1 (bookworm)

Also affects: Fedora 32, 33, 34

Patches

🔴Vulnerability Details

5
GHSA
GHSA-h5g6-38c3-c3xv: A vulnerability was found in Linux kernel where non-blocking socket in llcp_sock_connect() leads to leak and eventually hanging-up the system2022-05-24
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities2022-03-22
OSV
linux, linux-aws, linux-aws-5.8, linux-azure, linux-azure-5.8, linux-gcp, linux-gcp-5.8, linux-hwe-5.8, linux-kvm, linux-oracle, linux-oracle-5.8, linux-raspi vulnerabilities2021-06-23
OSV
linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gke, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.2021-06-08
OSV
CVE-2020-25673: A vulnerability was found in Linux kernel where non-blocking socket in llcp_sock_connect() leads to leak and eventually hanging-up the system2021-05-26

📋Vendor Advisories

4
Ubuntu
Linux kernel vulnerabilities2022-03-22
Ubuntu
Linux kernel vulnerabilities2021-06-23
Red Hat
kernel: non-blocking socket in llcp_sock_connect()2020-11-01
Debian
CVE-2020-25673: linux - A vulnerability was found in Linux kernel where non-blocking socket in llcp_sock...2020

💬Community

2
Bugzilla
CVE-2020-25673 kernel: non-blocking socket in llcp_sock_connect()2020-11-04
Bugzilla
CVE-2020-25673 kernel: non-blocking socket in llcp_sock_connect() [fedora-all]2020-11-04
CVE-2020-25673 — Uncontrolled Resource Consumption | cvebase